I bought this pretty little jug at a car-boot recently and have been trying to ident it. I think it may possibly be Monart but am not 100% (or even 10% !)

It stands 9cm (3 1/2 inches) tall and is 9.5 cm (3 3/4 inches) wide at the rim, the base is 8 cm (3 inches) across and has a rough pontil scar. The dab handle is clear glass with some minor frits and manufacturing artifacts - definately hand blown.